US5678428A - Annular piece of jewelry such as a ring or a bracelet having an outer rotary crown - Google Patents

Annular piece of jewelry such as a ring or a bracelet having an outer rotary crown Download PDF

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Publication number
US5678428A
US5678428A US08/630,451 US63045196A US5678428A US 5678428 A US5678428 A US 5678428A US 63045196 A US63045196 A US 63045196A US 5678428 A US5678428 A US 5678428A
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United States
Prior art keywords
annular
crown
bearing
thickness
jewelry
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Expired - Lifetime
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US08/630,451
Inventor
Ornella Pasquetti
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Richemont International SA
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Piaget International SA
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Assigned to PIAGET INTERNATIONAL S.A. reassignment PIAGET INTERNATIONAL S.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PASQUETTI, ORNELLA
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Publication of US5678428A publication Critical patent/US5678428A/en
Assigned to RICHEMONT INTERNATIONAL SA reassignment RICHEMONT INTERNATIONAL SA MERGER (SEE DOCUMENT FOR DETAILS). Assignors: PIAGET INTERNATIONAL SA
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C9/00—Finger-rings
    • A44C9/0007—Finger-rings made of several rings
    • A44C9/0015—Finger-rings made of several rings connected or interlinked to each other
    • A44C9/003—Finger-rings made of several rings connected or interlinked to each other in a rotatable way

Definitions

  • the present invention relates to an annular piece of jewelry such as a ring or a bracelet having an outer rotary crown.
  • the inner crown has, between the two edges, a cylindrical bearing with a surface on which the outer crown is engaged, the inside diameter of the outer crown being slightly greater than the outside diameter of the cylindrical bearing of the inner crown to allow said outer crown to rotate.
  • EP-A-0,529,168 teaches an annular piece of jewelry wherein an inner crown is machined with a central bearing surface that has a larger diameter and two lateral bearing surfaces on which are soldered separate rings that constitute the lateral edges.
  • the present invention proposes to improve such a design by requiring, for manufacturing the inner crown, only two elements, which moreover can be obtained from identical blanks, which can be assembled in a single soldering operation.
  • the present invention is characterized by an inner crown that is made by soldering together two half-crowns that have the same inside diameter, the same outer configuration, and essentially the same axial length.
  • Each of the half-crowns is formed from an annular element that has, at one end edge, a convex bearing surface able to form a lateral retaining bead for the outer crown and a cylindrical annular bearing able to engage the outer crown.
  • Each of the annular elements has, at its opposite end edge, a tubular bearing with a thickness smaller than the thickness of the cylindrical annular bearing.
  • the tubular bearings of reduced thickness extend from the inner surface and from the outer surface respectively of the annular cylindrical bearings in such a way as to define an internal annular cavity able to receive a soldering material when the two annular elements are brought into abutment to form the inner crown.
  • the end tubular bearings of the annular elements nest into each other to provide continuous inner and outer surfaces.
  • the outer surfaces constitute cylindrical bearing surfaces of an inner crown for rotation of an outer crown.
  • FIG. 1 is a cross-sectional view of the components of a piece of annular jewelry according to the invention before assembly
  • FIG. 2 is a is a cross-sectional view of the same components after assembly
  • FIG. 3 is an exploded perspective view corresponding to the arrangement illustrated in FIG. 1.
  • the piece of annular jewelry according to the invention such as a ring has an outer crown 1 having a cylindrical inner surface 2, concave in the example illustrated but also possibly solid.
  • An inner crown is constituted by assembling two annular elements 3 and 4 each of which has an inner cylindrical surface 3a and 4a respectively, of the same diameter, and an outer convex bearing surface 3b or 4b preferably extending from end edges of corresponding elements 3 and 4 respectively.
  • Outer crown 1 and elements 3, 4 forming the outer crown are for example made of gold that has been previously melted to be of a desired grade.
  • the convex bearing surfaces are extended in the direction of an opposite edge of each of elements 3 and 4 by cylindrical annular bearings 3c and 4c respectively, which have the same thickness and whose outer surfaces 3d and 4d define a diameter that is slightly smaller than the diameter defined by inner surface 2 of outer crown 1.
  • Bearing 3c of annular element 3 has, at its free end, a tubular bearing 3e that has a smaller thickness than the thickness of bearing 3c.
  • Tubular bearing 3e extends from inner surface 3a of element 3, and projects forward with respect to the end edge of outer surface 3d of element 3.
  • Element 4 has an end tubular bearing 4e with a thickness smaller than that of bearing 4c extending from outer surface 4d of bearing 4c.
  • Projecting tubular bearing 4e constitutes the free end edge of bearing 4c.
  • Tubular bearings 3e and 4e have the same axial length.
  • Tubular bearings 3e and 4e preferably have the same thickness, with the sum of the thicknesses of these tubular bearings 3e and 4e being less than the thickness of bearings 3d and 4d such that, when annular elements 3 and 4 are brought into mutual abutment, as illustrated in FIG. 2, an annular cavity 5 forms between tubular bearings 3e and 4e.
  • the cavity is fillable with a soldering material to ensure assembly of elements 3 and 4 inside crown 1.
  • a single soldered joint is thus formed substantially in the center of outer crown 1. Since the joint is formed in the thickness of the inner crown constituted by assembling elements 3 and 4, it is entirely invisible.
  • Elements 3 and 4 can be made separately by machining, or can alteratively be formed from identical blanks obtained from the same mold. The complementary ends of the elements can be machined to obtain the arrangement illustrated.
  • the width of outer crown 1 is less than the width of the cylindrical bearing provided between convex bearing surfaces 3b and 4b of assembled elements 3 and 4, allowing lateral movement of outer crown 1 in addition to rotational movement.

Abstract

An annular piece of jewelry such as a ring or a bracelet has an outer crown able to rotate between two annular lateral edges of an inner crown concentric with the outer crown. The inner crown includes the soldered assembly of two half-crowns having the same inside diameter, the same outer configuration, and substantially the same axial length, each of the half-crowns being formed of an annular element which has, at one end edge, a convex bearing able to form a lateral retaining bead for the outer crown and a cylindrical annular bearing, able to engage the outer crown, each of the annular elements having, at its opposite end edge, a tubular bearing with a thickness smaller than the thickness of the cylindrical annular bearing, the smaller-thickness tubular bearing extending from the inner surface and the outer surface respectively of the annular cylindrical bearings in such a way as to define an internal annular cavity able to receive a soldering material when the two annular elements are brought into abutment to form the inner crown.

Description

The present invention relates to an annular piece of jewelry such as a ring or a bracelet having an outer rotary crown.
Such pieces of jewelry made of precious materials, particularly gold, whose outer crown can rotate between two annular lateral edges of an inner crown concentric with the outer crown, have been known for a very long time.
The inner crown has, between the two edges, a cylindrical bearing with a surface on which the outer crown is engaged, the inside diameter of the outer crown being slightly greater than the outside diameter of the cylindrical bearing of the inner crown to allow said outer crown to rotate.
Various configurations of such annular pieces of jewelry have already been proposed, as well as various methods for manufacturing them, particularly by expansion or by soldering.
Thus, EP-A-0,529,168 teaches an annular piece of jewelry wherein an inner crown is machined with a central bearing surface that has a larger diameter and two lateral bearing surfaces on which are soldered separate rings that constitute the lateral edges.
To make such an annular piece of jewelry, it is necessary, in order to form the inner crown, to machine three separate components, then to carry out two soldering operations to attach each of the lateral rings to the corresponding lateral bearing surfaces of the inner crown.
The present invention proposes to improve such a design by requiring, for manufacturing the inner crown, only two elements, which moreover can be obtained from identical blanks, which can be assembled in a single soldering operation.
The present invention is characterized by an inner crown that is made by soldering together two half-crowns that have the same inside diameter, the same outer configuration, and essentially the same axial length. Each of the half-crowns is formed from an annular element that has, at one end edge, a convex bearing surface able to form a lateral retaining bead for the outer crown and a cylindrical annular bearing able to engage the outer crown. Each of the annular elements has, at its opposite end edge, a tubular bearing with a thickness smaller than the thickness of the cylindrical annular bearing. The tubular bearings of reduced thickness extend from the inner surface and from the outer surface respectively of the annular cylindrical bearings in such a way as to define an internal annular cavity able to receive a soldering material when the two annular elements are brought into abutment to form the inner crown.
In the assembled state, the end tubular bearings of the annular elements nest into each other to provide continuous inner and outer surfaces. The outer surfaces constitute cylindrical bearing surfaces of an inner crown for rotation of an outer crown.
Other advantages and characteristics of the invention will emerge from reading the description hereinbelow of an embodiment that is not limiting, with reference to the attached drawing wherein:
FIG. 1 is a cross-sectional view of the components of a piece of annular jewelry according to the invention before assembly,
FIG. 2 is a is a cross-sectional view of the same components after assembly,
FIG. 3 is an exploded perspective view corresponding to the arrangement illustrated in FIG. 1.
The piece of annular jewelry according to the invention such as a ring has an outer crown 1 having a cylindrical inner surface 2, concave in the example illustrated but also possibly solid.
An inner crown is constituted by assembling two annular elements 3 and 4 each of which has an inner cylindrical surface 3a and 4a respectively, of the same diameter, and an outer convex bearing surface 3b or 4b preferably extending from end edges of corresponding elements 3 and 4 respectively.
Outer crown 1 and elements 3, 4 forming the outer crown are for example made of gold that has been previously melted to be of a desired grade.
The convex bearing surfaces are extended in the direction of an opposite edge of each of elements 3 and 4 by cylindrical annular bearings 3c and 4c respectively, which have the same thickness and whose outer surfaces 3d and 4d define a diameter that is slightly smaller than the diameter defined by inner surface 2 of outer crown 1.
Bearing 3c of annular element 3 has, at its free end, a tubular bearing 3e that has a smaller thickness than the thickness of bearing 3c.
Tubular bearing 3e extends from inner surface 3a of element 3, and projects forward with respect to the end edge of outer surface 3d of element 3.
Element 4, has an end tubular bearing 4e with a thickness smaller than that of bearing 4c extending from outer surface 4d of bearing 4c.
Projecting tubular bearing 4e constitutes the free end edge of bearing 4c.
Tubular bearings 3e and 4e have the same axial length.
Tubular bearings 3e and 4e preferably have the same thickness, with the sum of the thicknesses of these tubular bearings 3e and 4e being less than the thickness of bearings 3d and 4d such that, when annular elements 3 and 4 are brought into mutual abutment, as illustrated in FIG. 2, an annular cavity 5 forms between tubular bearings 3e and 4e. The cavity is fillable with a soldering material to ensure assembly of elements 3 and 4 inside crown 1.
A single soldered joint is thus formed substantially in the center of outer crown 1. Since the joint is formed in the thickness of the inner crown constituted by assembling elements 3 and 4, it is entirely invisible.
Elements 3 and 4 can be made separately by machining, or can alteratively be formed from identical blanks obtained from the same mold. The complementary ends of the elements can be machined to obtain the arrangement illustrated.
In the example illustrated, the width of outer crown 1 is less than the width of the cylindrical bearing provided between convex bearing surfaces 3b and 4b of assembled elements 3 and 4, allowing lateral movement of outer crown 1 in addition to rotational movement.
Although the invention has been described in connection with a particular embodiment, it is obvious that it is not limited thereto and a number of variants and modifications can be made therefrom without thereby departing from its framework or its spirit.

Claims (4)

What is claimed is:
1. An annular piece of jewelry having an outer crown able to rotate between two annular lateral edges of an inner crown concentric with said outer crown, said inner crown comprising a soldered assembly of two half-crowns having the same inside diameter, the same outer configuration, and substantially the same axial length, each of said half-crowns being formed of an annular element which has, at one end edge, a convex bearing surface integral therewith and able to form a lateral retaining bead for said outer crown and a cylindrical annular bearing able to engage said outer crown, each of said annular elements having, at its opposite end edge, a tubular bearing with a thickness smaller than the thickness of said cylindrical annular bearing, said smaller-thickness tubular bearing extending from an inner surface and an outer surface respectively of the cylindrical annular bearings of said annular elements in such a way as to define an internal annular cavity between said smaller-thickness tubular bearings when the two annular elements are brought into mutual abutment to form said inner crown, said internal annular cavity receiving a soldering material.
2. The annular piece of jewelry according to claim 1, wherein said smaller-thickness tubular bearings have the same axial length.
3. The annular piece of jewelry according to claim 1, wherein said smaller-thickness tubular bearings have the same thickness.
4. The annular piece of jewelry according to claim 1, wherein said piece of jewelry is a ring or bracelet.
US08/630,451 1995-04-11 1996-04-10 Annular piece of jewelry such as a ring or a bracelet having an outer rotary crown Expired - Lifetime US5678428A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95830141A EP0737428B1 (en) 1995-04-11 1995-04-11 Ring-shaped jewellery, like a finger ring or a bracelet with an external ring rotatively mounted
EP95830141 1995-04-11

Publications (1)

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US5678428A true US5678428A (en) 1997-10-21

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US08/630,451 Expired - Lifetime US5678428A (en) 1995-04-11 1996-04-10 Annular piece of jewelry such as a ring or a bracelet having an outer rotary crown

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US (1) US5678428A (en)
EP (1) EP0737428B1 (en)
JP (1) JP2874849B2 (en)
AT (1) ATE187612T1 (en)
DE (2) DE737428T1 (en)
DK (1) DK0737428T3 (en)
ES (1) ES2098202T3 (en)
GR (2) GR970300009T1 (en)
IL (1) IL117842A (en)
PT (1) PT737428E (en)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337687A (en) * 1998-05-29 1999-12-01 Renoir Jewels Ltd Rotating two-part jewellery ring
US6101843A (en) * 1996-11-07 2000-08-15 Nagano; Tomohisa Double-structure ring
USD434994S (en) * 1999-04-29 2000-12-12 S.A. Ancienne Fabrique Georges Piaget & Cie Finger ring
USD435475S (en) * 1998-04-30 2000-12-26 Jess James Limited Piece of jewelry
US6295732B1 (en) 1999-05-26 2001-10-02 Ofiesh, Ii Gabriel D. Method of manufacturing a jewelry ring
US6647746B2 (en) * 1999-11-08 2003-11-18 Richemont International Sa Decorative object with a moveable sleeve
US20040020242A1 (en) * 1997-09-08 2004-02-05 Trent West Tungsten carbide-based annular jewelry article
US20060090511A1 (en) * 2004-11-03 2006-05-04 Boone Bruce T Ring with seamless decorative inlay
DE102006030307A1 (en) * 2006-06-30 2008-01-03 Frank Barhofer Jewelry ring e.g. for bracelet or ring, has inner ring and coaxially arranged outer ring with ring has radial head of substance and other ring is arranged to opposite edge having ringnut having V notch
US20080034791A1 (en) * 2006-08-08 2008-02-14 Arcadi Randy J Ring with digital disc
US20090038339A1 (en) * 2007-08-10 2009-02-12 Shang-Han Chen Structure bonding different metals for valuable ornaments
US20100024481A1 (en) * 2008-08-01 2010-02-04 Centier Bridal Corp. Method for Producing Layered Rings
US20110011131A1 (en) * 2008-11-17 2011-01-20 Claude Bisserier Concentric rotatable rings having ornament support structure
WO2011075533A2 (en) 2009-12-18 2011-06-23 Claude Bisserier Concentric rotatable rings
CN104905500A (en) * 2015-05-05 2015-09-16 深圳市百泰首饰精铸有限公司 Rotational bracelet and processing method thereof
CN105051649A (en) * 2013-01-23 2015-11-11 尹他帆公司 Contact interface input device
US9215913B2 (en) 2011-05-20 2015-12-22 Claude Bisserier Rotatable ring bivalve housing
CN105747405A (en) * 2014-12-19 2016-07-13 沈宏易 A rotatable religion wristband
WO2018223039A1 (en) * 2017-06-02 2018-12-06 Frederick Goldman, Inc. Jewelry and methods of forming the same from multiple components
US20190174885A1 (en) * 2017-12-07 2019-06-13 Renaissance Jewellery Ltd. Method of manufacturing a multi-layer rotatable jewelry ring
US11058192B2 (en) 2016-05-31 2021-07-13 Hermes Sellier Jewellery article having at least two parts movable in rotation relative to each other
US11224268B2 (en) 2020-03-23 2022-01-18 Jason Gabriel Berger Dual band spinner ring

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4857409B2 (en) * 2000-03-09 2012-01-18 株式会社サ・エ・ラ研究所 Ring jewelry

Citations (6)

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Publication number Priority date Publication date Assignee Title
US1712417A (en) * 1927-11-19 1929-05-07 Meyer Koulish Co Inc Ring
JPS60255264A (en) * 1984-06-01 1985-12-16 Tanaka Kikinzoku Kogyo Kk Manufacture of finger ring
US5161392A (en) * 1990-03-02 1992-11-10 Or-Est S.A. Circular piece of jewelry comprising an outer band which rotates and process for manufacture
US5228316A (en) * 1992-06-09 1993-07-20 Meyrowitz Scott B Ring with replaceable members
WO1994022341A1 (en) * 1993-04-07 1994-10-13 Claudio Christian Cerqua A modular system for the realization of rings, bracelets and other jewellery or cheap jewelry articles
DE9415365U1 (en) * 1994-09-22 1994-11-17 Renz Alfred Multi-part ring

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1712417A (en) * 1927-11-19 1929-05-07 Meyer Koulish Co Inc Ring
JPS60255264A (en) * 1984-06-01 1985-12-16 Tanaka Kikinzoku Kogyo Kk Manufacture of finger ring
US5161392A (en) * 1990-03-02 1992-11-10 Or-Est S.A. Circular piece of jewelry comprising an outer band which rotates and process for manufacture
EP0529168A1 (en) * 1990-03-02 1993-03-03 Or-Est Ringshape jewellery with an external ring rotatively mounted and manufacturing of the same
US5228316A (en) * 1992-06-09 1993-07-20 Meyrowitz Scott B Ring with replaceable members
WO1994022341A1 (en) * 1993-04-07 1994-10-13 Claudio Christian Cerqua A modular system for the realization of rings, bracelets and other jewellery or cheap jewelry articles
DE9415365U1 (en) * 1994-09-22 1994-11-17 Renz Alfred Multi-part ring

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6101843A (en) * 1996-11-07 2000-08-15 Nagano; Tomohisa Double-structure ring
US20060254314A1 (en) * 1997-09-08 2006-11-16 Trent West Tungsten carbide-based finger rings
US20040025348A1 (en) * 1997-09-08 2004-02-12 Trent West Methods and jewelry articles comprising sintered tungsten carbide
US6993842B2 (en) * 1997-09-08 2006-02-07 Trent West Methods and jewelry articles comprising sintered tungsten carbide
US20060123608A1 (en) * 1997-09-08 2006-06-15 Trent West Methods of making tungsten carbide-based annular jewelry rings
US20100307005A1 (en) * 1997-09-08 2010-12-09 Trent West Methods Of Making Tungsten Carbide-Based Annular Jewelry Rings
US7761996B2 (en) 1997-09-08 2010-07-27 Trent West Methods of making tungsten carbide-based annular jewelry rings
US20040020242A1 (en) * 1997-09-08 2004-02-05 Trent West Tungsten carbide-based annular jewelry article
US8061033B2 (en) 1997-09-08 2011-11-22 Trent West Methods of making tungsten carbide-based annular jewelry rings
US20040025347A1 (en) * 1997-09-08 2004-02-12 Trent West Methods and jewelry articles comprising sintered tungsten carbide
US6990736B2 (en) * 1997-09-08 2006-01-31 Trent West Methods for preparing jewelry articles comprising sintered tungsten carbide
US7076972B2 (en) * 1997-09-08 2006-07-18 Trent West Tungsten carbide-based annular jewelry article
US8584360B2 (en) 1997-09-08 2013-11-19 Trent West Methods of making tungsten carbide-based annular jewelry rings
USD435475S (en) * 1998-04-30 2000-12-26 Jess James Limited Piece of jewelry
GB2337687A (en) * 1998-05-29 1999-12-01 Renoir Jewels Ltd Rotating two-part jewellery ring
USD434994S (en) * 1999-04-29 2000-12-12 S.A. Ancienne Fabrique Georges Piaget & Cie Finger ring
US6497117B2 (en) 1999-05-26 2002-12-24 Ofiesh, Ii Gabriel D. Jewelry ring
US6295732B1 (en) 1999-05-26 2001-10-02 Ofiesh, Ii Gabriel D. Method of manufacturing a jewelry ring
US6647746B2 (en) * 1999-11-08 2003-11-18 Richemont International Sa Decorative object with a moveable sleeve
US20060090511A1 (en) * 2004-11-03 2006-05-04 Boone Bruce T Ring with seamless decorative inlay
DE102006030307A1 (en) * 2006-06-30 2008-01-03 Frank Barhofer Jewelry ring e.g. for bracelet or ring, has inner ring and coaxially arranged outer ring with ring has radial head of substance and other ring is arranged to opposite edge having ringnut having V notch
US20080034791A1 (en) * 2006-08-08 2008-02-14 Arcadi Randy J Ring with digital disc
US20090038339A1 (en) * 2007-08-10 2009-02-12 Shang-Han Chen Structure bonding different metals for valuable ornaments
US20100024481A1 (en) * 2008-08-01 2010-02-04 Centier Bridal Corp. Method for Producing Layered Rings
US20110011131A1 (en) * 2008-11-17 2011-01-20 Claude Bisserier Concentric rotatable rings having ornament support structure
WO2011075533A2 (en) 2009-12-18 2011-06-23 Claude Bisserier Concentric rotatable rings
US9215913B2 (en) 2011-05-20 2015-12-22 Claude Bisserier Rotatable ring bivalve housing
EP2948828A4 (en) * 2013-01-23 2016-10-12 Intafin As Contact interface input device
CN105051649A (en) * 2013-01-23 2015-11-11 尹他帆公司 Contact interface input device
CN105747405A (en) * 2014-12-19 2016-07-13 沈宏易 A rotatable religion wristband
CN104905500A (en) * 2015-05-05 2015-09-16 深圳市百泰首饰精铸有限公司 Rotational bracelet and processing method thereof
US11058192B2 (en) 2016-05-31 2021-07-13 Hermes Sellier Jewellery article having at least two parts movable in rotation relative to each other
WO2018223039A1 (en) * 2017-06-02 2018-12-06 Frederick Goldman, Inc. Jewelry and methods of forming the same from multiple components
US11490698B2 (en) 2017-06-02 2022-11-08 Frederick Goldman, Inc. Jewelry and methods of forming the same from multiple components
US20190174885A1 (en) * 2017-12-07 2019-06-13 Renaissance Jewellery Ltd. Method of manufacturing a multi-layer rotatable jewelry ring
US11224268B2 (en) 2020-03-23 2022-01-18 Jason Gabriel Berger Dual band spinner ring

Also Published As

Publication number Publication date
ES2098202T1 (en) 1997-05-01
DE69513948D1 (en) 2000-01-20
IL117842A0 (en) 1996-08-04
PT737428E (en) 2000-06-30
IL117842A (en) 1998-08-16
DE69513948T2 (en) 2000-07-20
DK0737428T3 (en) 2000-05-29
GR3032647T3 (en) 2000-06-30
EP0737428A1 (en) 1996-10-16
ES2098202T3 (en) 2000-03-01
ATE187612T1 (en) 2000-01-15
EP0737428B1 (en) 1999-12-15
GR970300009T1 (en) 1997-05-31
JP2874849B2 (en) 1999-03-24
JPH0984611A (en) 1997-03-31
DE737428T1 (en) 1997-09-04

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